Gregory P. Shea, PhD, consults, researches, writes, and teaches in the areas of organizational and individual change, group effectiveness, and conflict resolution. He is a principal in the Coxe Group, an international consulting firm serving the design professions; Senior Consultant at the Center for Applied Research, a member of the faculty of the Wharton School of the University of Pennsylvania and of its Aresty Institute of Executive Education, Adjunct Senior Fellow at the Leonard Davis Institute of Health Economics at Wharton, and a Faculty Associate of the Wharton School's Center for Leadership and Change. His awards include an Excellence in Teaching Award from Wharton. He is a member of the Academy of Management and the American Psychological Association.

Dr. Shea's writing has appeared in such journals as the Sloan Management Review, Journal of Applied Management, Journal of Applied Behavior Science, Journal of Conflict Resolution, British Journal of Social Psychology, and Journal of Management Development. He also serves as contributing editor to the Journal of Applied Behavioral Science and as a reviewer for Group and Organization Management, Journal of Applied Psychology, Personnel Psychology, and Personality and Social Psychology Bulletin. He co-authored The Phantom Stethoscope: A Field Manual for Finding an Optimistic Future in Medicine (1999) and has contributed chapters to the following books: Medicine and Business (2000), Handbook of Industrial and Organizational Psychology (2nd edition; 1992), Managing Hospitals (1991), and Research in Personnel and Human Resource Management (Volume 5; 1987). Dr. Shea is a Phi Beta Kappa graduate of Harvard College and holds an M.Sc. in Management Studies from the London School of Economics and an M.A., M. Phil., and Ph.D. in Administrative Science from Yale University.

Jack Hershey is Daniel H. Silberberg Professor in the Operations and Information Management and Health Care Systems Departments at the Wharton School. He also has a secondary appointment in Penn's Psychology Department, and is a Senior Fellow at the Leonard Davis Institute of Health Economics.

Professor Hershey received a B.S. in mathematics from Carnegie-Mellon University. His graduate work was at Stanford University where he received an M.S. in Operations Research and a Ph.D. in Management Science from the Graduate School of Business.

Prior to coming to Wharton in 1976, Professor Hershey was on the faculties of the Stanford Business School and Medical School, and served as a Congressional Fellow in the U.S. Congress in 1975-76. At Wharton, he has served as Director of the Health Care Administration Program, Chairperson of the Decision Sciences Department, and Director of Research and Acting Executive Director of the Leonard Davis Institute.

Professor Hershey is a recognized leader in the field of decision sciences. His research interests center on normative and behavioral aspects of decision making, with special emphasis on health care and insurance decision-making, and operations research applications to the service sector. He has taught courses in management science, operations management, service operations, behavioral decision research, and negotiations. He has consulted for a wide variety of public agencies and private firms, such as the National Institutes of Health, the Secretary of Health and Human Services, Johnson & Johnson, Smith-Kline, and Squibb.

In one recent project, he helped build and implement the decision model that was used to select the states given public health awards by the National Cancer Institute to develop smoking-prevention initiatives. In another project, he is investigating moral hazard and risk seeking in simulated insurance markets. He was co-principal investigator for a recently completed major research project funded by the National Science Foundation to address biases and inconsistencies in individuals' decisions involving risk and misfortune. He is author or coauthor of over 80 scholarly publications, and has received over 25 research grants.

Kathy Pearson, PhD is currently serving as the Director of Executive Education in Healthcare Management at the Leonard Davis Institute of Health Economics at the University of Pennsylvania. In addition, Kathy has been involved extensively in the academic and industrial arenas over the past fifteen years and is currently the president of PriSim Quantitative Methods, an analytical consulting firm.

Her industrial experience includes analytical support for the pharmaceutical industry, various hospital groups, the Department of Defense, and several manufacturing companies. She has also been heavily involved in developing computer simulation models for the health care industry and has served on a number of quality management and Best Practice teams for a major health care company.

In the academic environment, Kathy has taught a variety of quantitative methods courses to primarily graduate students at the Wharton School of Business of the University of Pennsylvania, Northwestern University and Drexel University. Kathy currently holds an adjunct appointment at the Wharton School of Business at the University of Pennsylvania, teaching a simulation modeling course and an MBA core course in Process Analysis. Kathy received her B.S. degree from Auburn University, her M.S. degree from Georgia State University, and her Ph.D. from Northwestern University.

David Asch, MD, MBA is Executive Director of the Leonard Davis Institute of Health Economics at the University of Pennsylvania, where he is the Robert D. Eilers Professor of Medicine and Health Care Management and Economics at the School of Medicine and the Wharton School. Established in 1967, the Leonard Davis Institute is one of the oldest and best-regarded centers in the nation devoted to understanding and improving the organization, delivery, management, and financing of health care. More than 100 Senior Fellows conduct the work of the institute.

Dr. Asch received his bachelor's degree from Harvard University, his M.D. from Cornell University and his M.B.A. in Health Care Administration and Decision Sciences from the Wharton School. He has been a Robert Wood Johnson Foundation Clinical Scholar, a Measey Foundation Scholar, a John A. Hartford Foundation Faculty Fellow, and the recipient of two Health Services Research Career Development Awards from the Department of Veterans Affairs.

Dr. Asch is a leader in understanding how physicians and patients behave and make medical choices in clinical, financial, and ethically charged settings. He has special expertise in understanding how physicians and patients incorporate perceptions of financial cost and health risk into their decisions, including the adoption of new pharmaceuticals or medical technologies or the purchase of health or life insurance. His research combines elements of economic analysis with moral and psychological theory and marketing. He is the author of more than 100 published papers, chapters, and reports; he is frequently invited to lecture nationally and internationally; and he has attracted more than $15 million in federal grants.

Dr. Asch has been associate editor of the Journal of General Internal Medicine, a Trustee of the Society for Medical Decision Making, and has served on numerous federal research study sections. He consults frequently in health care issues in academics, government, and industry.

He teaches health policy at the Wharton School, and he practices internal medicine at the Philadelphia Veterans Affairs Medical Center, where he is Chief of Health Services Research and Co-Director of the Center for Health Equity Research and Promotion.

Dr. Asch is the recipient of the Young Investigator Award from the Association for Health Services Research (1997), the Outstanding Paper of the Year Award from the Society for Medical Decision Making (1997), the Nellie Westerman Prize from the American Federation for Medical Research (1998), the Outstanding Investigator Award in Clinical Science from the American Federation for Medical Research (1999), and the Robert C. Witt Research Award for the best paper published by the American Risk and Insurance Association (2000).

Mario Moussa, PhD, MBA is a principal at CFAR, Inc., a management consulting firm with offices in Philadelphia and Boston. For many years CFAR was an applied research institute inside the Wharton School of Business at the University of Pennsylvania. CFAR spun off in 1987 to become a private firm, specializing in strategy, organizational development, market analysis, and executive education.

Dr. Moussa is also a Senior Fellow at the Leonard Davis Institute of Health Economics at the University of Pennsylvania and the Academic Director of Essentials of Management, a program at Wharton's School of Executive Education. He teaches negotiation, leadership, teamwork, and organizational dynamics to senior managers and executives in healthcare and other industries.

In his consulting practice, Dr. Moussa specializes in negotiation and mediation, organizational design and change, and top team strategy. His clients include several of the major healthcare companies and medical centers in the country.

Dr. Moussa has published widely in the field of social theory. He wrote a monthly column on leadership and change for Matrix: the Magazine for Higher Education Leaders (www.matrixmagazine.com). He has spoken at conferences in Europe, North America, and South America.

Dr. Moussa received his doctorate from the University of Chicago's Committee on Social Thought and his MBA from the Wharton School of the University of Pennsylvania.